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Mattress Size Reference Guide
MATTRESS SIZE REFERENCE GUIDE
An Industry Trade Association has established standards for mattress sizes that includes allowable variances. Below is a detailed explanation of these standards.
MATTRESS VARIATION STANDARDS
The chart below outlines mattress sizes as per industry standards with acceptable variance ranges.
|
Finished Mattress Sizing Variations |
|||||||
| Mattress Size |
Industry Standard Dimensions (+/-1/2") |
Allowable Variance (Length & Width) |
Measurement With Variance | ||||
| Width | Length | ||||||
|
Twin |
38" x 74.5" | -0.5" | 37.5" | 74" | |||
| TwinXL | 38" x 79.5" | -0.5" | 37.5" | 79" | |||
| Full | 53" x 74.5" | -0.5" | 52.5" | 74" | |||
| Queen | 60" x 79.5" | -0.75" | 59.25" | 78.75" | |||
| King | 76" x 79.5" | -0.75" | 75.25" | 78.75" | |||
| Cal King | 72" x 83.5" | -0.75" | 71.25" | 82.75" | |||
*All dimensions are in inches.
*Finished sizes are measured from outside to outside of tape edge at the centerlines of the width and length.
*The distance is measured between extreme outside edges of finished construction.
